IBM 8260 manual ∙ Bridge Max Age Time, ∙ STP Version

Models: 8260

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If two bridges have the same bridge priority, the one with the lowest MAC address has higher priority.

Bridge Max Age Time

Specifies the max value for the age field (in hundredths of a second) in the Hello BPDU before it is discarded by the Multiprotocol Interconnect module. This value will only be used (by all the bridges in the spanning tree as well as the Multiprotocol Interconnect module) should this module become the root bridge.

STP Version

This parameter specifies the version of the spanning tree protocol operating in the module. The options are Revision_C and Draft_9. Revision_C is a proprietary version of the protocol.

4.Select the STP Port Parameters from the Bridge Menu. A panel as shown in Figure 154 will be displayed.

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Config *

STP Port Parameters

 

 

 

Module: BladeRunner

 

Log. Port: 1

LOGICAL PORT

Time:

17:16 5 Jan 95

 

STP Facility: Enabled

Manual Port Path Cost: 32768

 

Port Priority:

80

Path Cost Mode: normal

Search Port

Prev

Port

Next Port

Exit

 

Return to

the previous screen

 

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Figure

154. LMS STP Port Parameters Panel

This panel allows you to specify the spanning tree parameters for the specified port. Note that the port number that these parameters apply to is displayed on the top left hand corner of the panel. You can use the Search Port, Prev Port and Next Port options from the menu bar to select the port for which you want to set these parameters. The parameters that can be specified are:

STP Facility

This parameter allows you to enable or disable the operation of the spanning tree on this port. To enable this parameter, the STP facility on the STP System Parameters panel must also be enabled.

Note that when STP is disabled for a port, that port still learns addresses and forwards packets as normal.

266 8260 Multiprotocol Intelligent Switching Hub

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IBM 8260 manual ∙ Bridge Max Age Time, ∙ STP Version

8260 specifications

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